An adjective appearing as G. lendriol or lenthol “coming, approaching” in the Gnomish Lexicon of the 1910s (GL/53). The first is probably an elaboration of len “come, arrive”, and the second is probably a participle form of lentha- “come towards speaker, approach, draw near”.
Neo-Sindarin: For purposes of Neo-Sindarin, I would instead use the active participle ᴺS. tolol “coming, approaching”.
A verb appearing as G. lentha- “come towards speaker, approach, draw near” in the Gnomish Lexicon of the 1910s (GL/53), likely based on the early root ᴱ√LEHE “come, be sent, approach” (QL/52). A variant G. lenu- appeared above it, marked with a “?”; see that entry for discussion.